New Scientist


Toothbrush that emits electricity may more effectively prevent gum disease

Wed, 04 Nov 2026 19:00:00 +0000

A toothbrush with bristles that produce electricity as they bend has shown promise for reducing plaque and gum inflammation


Twisteddoodles on scientific equipment training

Wed, 04 Nov 2026 18:00:00 +0000

This week's cartoon from Twisteddoodles


Tom Gauld on our future robot overlords

Wed, 04 Nov 2026 18:00:00 +0000

Tom Gauld's weekly cartoon


A dyslexia diagnosis can help struggling children, but what about the rest?

Wed, 04 Nov 2026 18:00:00 +0000

Children who struggle to read and are diagnosed with dyslexia can get additional help, but those who can't afford a test or don't meet the criteria get left behind. Surely there is a better way?


The DNA is backwards on The Selfish Gene’s cover – again

Wed, 04 Nov 2026 18:00:00 +0000

Feedback notes with weary inevitability that a 50th anniversary edition of Richard Dawkins's classic work features a double-helix twisting the wrong way – not for the first time


This week’s new questions

Wed, 04 Nov 2026 18:00:00 +0000

Why do carnivorous quadrupeds sit on their haunches, but herbivorous ones don’t? Is the order of mathematical operations, given the acronym BODMAS, universal or does it break down in the quantum world?


Why don’t dogs look up when a low-flying plane passes overhead? Part 6

Wed, 04 Nov 2026 18:00:00 +0000

This question was posed as part of New Scientist’s Last Word series, in which readers give scientific answers to each other’s questions. Here’s what our readers had to say


Why do people look better in a mirror than in a photograph? Part 3

Wed, 04 Nov 2026 18:00:00 +0000

This question was posed as part of New Scientist’s Last Word series, in which readers give scientific answers to each other’s questions. Here’s what our readers had to say


If every ship were taken out of the water, would sea levels change?

Wed, 04 Nov 2026 18:00:00 +0000

This question was posed as part of New Scientist’s Last Word series, in which readers give scientific answers to each other’s questions. Here’s what our readers had to say


Arrival is 10 years old. This first-contact film is as brilliant as ever

Wed, 04 Nov 2026 18:00:00 +0000

Denis Villeneuve’s first (and probably best) foray into science fiction, Arrival, was released 10 years ago this month. It has hardly aged and is as staggering as it ever was, says film columnist Bethan Ackerley